77867760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{324449}}^1$

素因数の和:324465

約数の個数: 40

約数和(自身を含む): 241390800

約数和(自身を除く): 163523040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 324449, 648898, 973347, 1297796, 1622245, 1946694, 2595592, 3244490, 3893388, 4866735, 5191184, 6488980, 7786776, 9733470, 12977960, 15573552, 19466940, 25955920, 38933880, 77867760]

約数ペア:

[(1, 77867760), (2, 38933880), (3, 25955920), (4, 19466940), (5, 15573552), (6, 12977960), (8, 9733470), (10, 7786776), (12, 6488980), (15, 5191184), (16, 4866735), (20, 3893388), (24, 3244490), (30, 2595592), (40, 1946694), (48, 1622245), (60, 1297796), (80, 973347), (120, 648898), (240, 324449)]